IBM TotalStorage DS4500 User Manual page 88

2. Turn off the power switch and unplug the power cord from the failed power
3. Using Figure 45 on page 59 as a guide, remove the failed power supply. Lift up
58
IBM TotalStorage DS4500 Fibre Channel Storage Server: User's Guide
Statement 5:
CAUTION:
The power control button on the device and the power switch on the
power supply do not turn off the electrical current supplied to the device.
The device also might have more than one power cord. To remove all
electrical current from the device, ensure that all power cords are
disconnected from the power source.
supply (see Figure 44 on page 57).
Statement 8:
CAUTION:
Never remove the cover on a power supply or any part that has the
following label attached.
Hazardous voltage, current, and energy levels are present inside any
component that has this label attached. There are no serviceable parts
inside these components. If you suspect a problem with one of these
parts, contact a service technician.
and pull out on the pull handle to release the power supply. Then slide the unit
out.